From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Mon, 25 Mar 2013 00:36:53 +0000 (+0000)
Subject: Mention the new TableGen pattern format in the release notes.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=a231033e7044a8956b0eff673ca8cb5c4706aa5f;p=oota-llvm.git

Mention the new TableGen pattern format in the release notes.

Make threats about removing the old syntax.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177848 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index 822b55f17c9..3ca55602549 100644
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -64,6 +64,12 @@ Non-comprehensive list of changes in this release
   attributes, which are useful for passing information to code generation. See
   :doc:`HowToUseAttributes` for more details.
 
+* TableGen's syntax for instruction selection patterns has been simplified.
+  Instead of specifying types indirectly with register classes, you should now
+  specify types directly in the input patterns. See ``SparcInstrInfo.td`` for
+  examples of the new syntax. The old syntax using register classes still
+  works, but it will be removed in a future LLVM release.
+
 * ... next change ...
 
 .. NOTE